43 results about "Hot stage" patented technology

The crop straw medium density fiberboard using natural rubber, the raw materials include crop straw fiber, adhesive, waterproof and lubricant, flame retardant, and the adhesive is natural rubber, including vegetable glue and animal glue. Water repellants and lubricants are natural waxes, stearic acid or stearate salts. Flame retardants are non-toxic and harmless flame retardants. The proportion of various raw materials by weight is: crop straw fiber 75% to 93%, binder 1% to 8% (dry), waterproof and lubricant 0.5% to 8%, flame retardant 5.5% to 23.5% . Various raw materials are mixed, sizing, paving, pre-pressing, hot-pressing, and trimming to make finished products, and microwaves are used for auxiliary heating in the hot-pressing stage. The crop straw medium density fiberboard made of natural rubber of the present invention can be completely degraded under natural conditions after being discarded and damaged, and will not cause any irreversible damage to the environment, so that the production and use of crop straw medium density fiberboard can be realized. Complete sustainability and recyclability, with significant practical and historical significance.

The invention relates to a method for preparing a perovskite thin film with large grains by a scraping method. Firstly, an ionic liquid perovskite scraper coating precursor is prepared. The next layer of wet perovskite film; anneal for 20±5 seconds on a knife coater, then transfer the fully transformed perovskite film to a hot stage at 110±10°C and anneal for another 10 minutes to obtain sufficient deposition perovskite thin films with large grain size. Beneficial effects: the preparation of perovskite thin films with large-sized grains is carried out in the air, without special protective atmosphere requirements; the parameters of perovskite thin films can be adjusted according to actual needs by adjusting the scraping rate, gap spacing, etc.; scraping coating machine The structure of the equipment is simple, easy to operate, and the cost of the equipment is low, which is suitable for large-scale production; the perovskite film with large grain size can be used not only in solar cells, but also in other fields such as light-emitting diodes and photodetectors.

The invention belongs to the technical field of Roman spectrum analysis and develops a microscope heat state device used for measuring gas solubility in a high-temperature molten salt system on the basis of the Roman spectroscopy. The microscope heat stage device comprises a heat stage furnace and a heat stage reactor; the heat stage furnace comprises a heat stage furnace shell, more than two silicon carbide rods, stainless steel clamps and power lines; the heat stage reactor comprises a heat stage reaction base, a heat stage reactor flange cover, a heat stage screw piston, a sample pool and a quartz observation tablet. A sealed quartz window is arranged in the upper portion of the sample pool, volatile of high-temperature molten salt is prevented from polluting the surface of a lens, and Roman incident laser is ensured to pass through the quartz observation window; the heat stage reaction is cooled through water path circulation of the heat stage reaction flange cover, and temperature nearby the microscope heat stage is ensured not to be so high; the microscope lens is close to the surface of the sample pool, which is suitable for detection of the micro-Raman spectrum; the silicon carbide rods are long and far from cold ends of the silicon carbide rods, even heating of a crucible is guaranteed, and temperature gradient in the sample pool is decreased.

The invention relates to a thermal expansion phase change measurement method based on DIC, and belongs to the field of detection and analysis. The invention provides a thermal expansion phase change measurement method based on DIC in order to solve the problems that an existing phase change device is expensive in equipment and complex in operation and determine the phase change point of a materialmore accurately and conveniently. The method is based on a hot stage microscope. The heating and cooling processes are controlled through a control program of the heating stage microscope, through animage capturing control program, a high-speed camera is used for continuously shooting a sample in heating and cooling processes through a microscope. The distance between the lens and the surface ofthe material is kept constant. The strain field of the surface of the sample is obtained through a DIC method, the average strain value of the sample in all directions is obtained accordingly, the average strain value serves as the expansion amount of the material to draw a thermal expansion curve, and the method has the advantages of being simple in equipment and accurate and reliable in measurement result.

The invention discloses a cesium tin iodide film, its preparation method and application, the Cs 2 SnI 6 The preparation method of the film comprises the following steps: (1) adding cesium iodide and tin iodide into DMSO or a mixed solvent of DMSO and DMF, stirring and dissolving at 20-70°C, and preparing Cs 2 SnI 6 Precursor solution; (2) Precursor solution prepared in step (1) in N 2 After standing and aging in the atmosphere for 3 to 10 days, the precursor film was deposited on the substrate by spin coating; (3) the precursor film obtained in step (2) was placed on a hot stage with a temperature of 30-70°C Stand still for 1.0min~40min; then put it on the spin coater, drop 40μL-100μL supplementary solution, and spin coat dry after dripping the solution; (4) Anneal the film obtained in step (3) to obtain Cs 2 SnI 6 film.

The present invention provides a hot stage for small-angle scattering experiment. The hot stage includes an intake passage, a sealed window, a translucent window, an exhaust passage, a heating layer package wall, a heating layer, a sample chamber and a sample clamp layer. The hot stage for small angle scattering experiment has thermal station temperature in the range of -40 to 1200 DEG C; and the connecting lines between two end ports of the sample chamber and the edges of the transparent window have included angle of 4- 90 DEG with the axial parallel of the sample chamber. Surrounding heating on the sample chamber by the heating layer ensures uniform heating of the sample, and avoids the effects of the heating layer on neutron and X-ray path. The sealed window and translucent window uses quartz glass, sapphire or Kapton film with high transmittance of neutrons and X-rays, so as to achieve high transmittance of neutrons and X-ray, and ensure normal operation of the neutron and X-ray small-angle scattering experiments.

The invention discloses a transformer three-layer insulated wire hot-melt crimping high equipment, including a hot-melt crimping high module and a manipulator working in coordination under a PLC control system; the hot-melt crimping high module includes a bottom plate and a vertical plate; a block-shaped The hot-melt table is set on the bottom plate, and the hot-melt table includes the inner layer of the hot-melt table, the shell of the hot-melt table, and the heat insulation layer; there are several sets of hot-melt components in the inner layer of the hot-melt table, and the hot-melt components are connected with temperature probes. The hot-melt component and the temperature-sensing probe are jointly connected to the temperature controller by electrical communication; the corresponding hot-melt component on the vertical plate is provided with a high-pressure component that can lower the three-layer insulated wire on the PIN foot of the hot-melt component; the invention also provides a There is no need to add a PIN foot flipping mechanism for transformers with three-layer insulated wire hot-melt crimping process. After the product is processed, the PIN pin is down, which just meets the processing technology requirements of the automatic soldering machine, making the hot-melt crimping process high. Simplification, save manpower and material resources, improve equipment utilization.

A method of evaluating formation of fouling material in a petroleum feed involves illuminating a sample with cross-polarized light while subjecting the sample to temperature and pressure conditions relevant to an industrial process to induce chemical and / or physical changes; collecting images of the treated sample; and analyzing the images to evaluate fouling formation based on heterogeneity of the images in terms of brightness and / or color, where an increase in heterogeneity is indicative of initiation of fouling formation. The method is conducted using a cross-polarized microscopy system including a hot stage reactor assembly capable of withstanding operation within a temperature between about 20° C. to 450° C. or higher, and a pressure between about 0.1 MPa to 16 MPa or higher.

The invention relates to the field of ATE (automatic test equipment) and provides a detection heat platform-based SRU fault confirmation method and device so as to solve problems in technologies of the prior art. A virtual unit is formed by SRUs with strong relevance and is specifically equipped with a detection heat platform, SRUs are inserted alternately to match the ATE and so as to complete SRU fault confirmation. The method comprises the following steps: the ATE sends an inherent basic signal and an actual test analysis signal and receives SRU status signal value sent back from a bus controller, whether the SRUs work normally is determined, a sampling unit receives the inherent basic signal sent from the ATE, the inherent basic signal is stored in a switching signal register, the bus controller receives the actual test analysis signal sent from the ATE and sends the same to an SRU control register, the inherent basic signal is sent to the SRU control register after being received from the switching signal register, waveform data is formed in a control data register, a waveform generation unit is controlled to read the waveform data upon triggering of a trigger signal, a complex signal is generated for the SRU control register, and an SRU detection code of an SRU state register is received and sent back to the ATE.

The invention provides a heating stage for a microscope. The heating stage includes a temperature control case and a heating table, the temperature control case is internally provided with an AC / DC power supply and a temperature controller, the rear end of the temperature control case is provided with a power socket, the front end is provided with a heating socket and a switch, and the front end of the temperature controller is a temperature control panel protruding from a front end face of the temperature control case; and the heating table includes a bottom plate, a soft thermal insulation material layer, a heating film and a heating platform which are stacked in sequence from bottom to top, the lower side of the bottom plate is provided with supporting legs, the heating film is connected with the heating socket of the temperature control case through a heating cable, a perspective hole is arranged in the heating table, and perspective glass is embedded in the perspective hole. The heating stage for the microscope can satisfy a requirement for embryo or oocyte constant-temperature operation, and has a sufficient operating platform, and is convenient to operate, firm and durable, and convenient to carry.

The invention relates to an in-situ detection method for the phase transition process of a crystalline polymer. The device used in the method includes two components, namely a heating device and an in-situ testing device. The heating device includes a programmable temperature control heating table 1 and a specially designed metal container 2, and a series of round holes 3 are equally spaced on the wall of the metal container 2 at a distance of 4 mm from the bottom. The in-situ test device includes the metal container 2, the water tank 4, the thermocouple 5, the fixing device 6 and the temperature digital display 7. The water tank 4 is provided with a water inlet 8 on the upper right, and a water outlet 9 on the lower left. A compensation wire 10 connecting the thermocouple 5 and the temperature digital display 7 is arranged between the thermocouple 5 and the temperature digital display 7 . The fixing device 6 is located directly above the water tank 4 . The invention is especially suitable for the in-situ test of the non-isothermal and non-constant velocity phase transition behavior of the crystalline polymer, and has the advantages of simple device, accurate detection result, low cost, fast detection steps and the like.

The invention relates to a multifunctional heating platform mechanism with a modular design, comprising a moving base (1) and a jig (4) arranged on the moving base (1), on which a matched The workpiece, the moving base (1) includes a fixed base plate (11), a θ-axis slide table (12) that is arranged on the fixed base plate (11) and performs θ-rotational movement around the z-axis, and is sequentially arranged on the θ axis from bottom to top. The first carrying platform (13) on the shaft slide table (12), the second carrying platform (15) moving along the y-axis and the third carrying platform (18) moving along the x-axis; during work, adjust the θ-axis sliding platform (12), the second carrying platform (15) and the third carrying platform (18), move the jig (4) to the designated station, and process the workpiece on the jig. Compared with the prior art, the invention has the advantages of one machine with multiple functions, high processing precision and low manufacturing cost.